<!DOCTYPE html>
<input type="checkbox" id="checkbox">
<script src="include.js"></script>
<script>
    checkbox.addEventListener("change", () => {
      println("Change event was fired when it shouldn't have been.");
    });
    asyncTest(async done => {
        checkbox.focus();
        await new Promise(resolve => setTimeout(resolve, 0));
        checkbox.blur();
        await new Promise(resolve => setTimeout(resolve, 0));

        done();
    });
</script>
